4de70090175082271d6afa132083f6af8b0299f1817249838e084d0224ca1e8b

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:17

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General

Target

261626ee50ed92b4cda9000c1f9cd5f8.pdf
Size

75KB
MD5

261626ee50ed92b4cda9000c1f9cd5f8
SHA1

bcd1d40f9119f6cb20abb6f0c5300113137b819d
SHA256

4de70090175082271d6afa132083f6af8b0299f1817249838e084d0224ca1e8b
SHA512

19387bd1435eaebfe3ddbff527cf035b59eb71ff498e8edfdd4fa6bb58be723a6e146fe08625ba4879ec5c215c5009a17c75440e13b503d6d45179f67da6e80c
SSDEEP

1536:U2jdI694d9HfUrcDvydY9bFKWTGSy+p+qB+RwNvhwDl/rI7:UYdpSd9HXyqzBsAwwkDlA

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 4388	3532	AcroRd32.exe	93
PID 3532 wrote to memory of 4388	3532	AcroRd32.exe	93
PID 3532 wrote to memory of 4388	3532	AcroRd32.exe	93
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1560	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94
PID 4388 wrote to memory of 3472	4388	RdrCEF.exe	94

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\261626ee50ed92b4cda9000c1f9cd5f8.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4388
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2E87129477903DBD5AEA29863C2AA7CC --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=2E87129477903DBD5AEA29863C2AA7CC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3472
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4FB97A778B8DFF43FCB650329CFAFBF8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3CB6DE008DA68FB1C6528F558507373D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=48FE0279D3BD12F3169EB854F07881EF --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=462029677286E1CA903F852A4852B3C1 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A94B037EABA92432BFC77051DF12B778 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=A94B037EABA92432BFC77051DF12B778 --renderer-client-id=7 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2376

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
8e6c86212e7d9952b63dc104a1ab3653

SHA1
2ed454740edb9430a979cbdbba771f420e98f4a7

SHA256
75acb9d26a880230f44e45c8e517ed1b522ce525b9138a81489cd44b926b1526

SHA512
e308db14e547402dc77964398f56e05f30d1a340a9859a00f063622d1e75a017ac5545fd64269f50d88bf9c403a8b4a9824c04225d7055dbdf08a5ccb6fc2a9e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3532-26-0x000000000BC50000-0x000000000BCA0000-memory.dmp

Filesize
320KB

Download